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Vehicle Smart Key Technology

The smart key technology in vehicles enables drivers to unlock and start their car by just touching the door handle or by putting the key into the pocket. It also allows for a variety of other adjustments including seat position as well as internal temperature settings and mirror position.

This can also lead to security worries.

Security

Smart keys are electronic keys that communicate with the vehicle using one of the car's embedded antennas to unlock the doors and begin the engine. Unlike conventional keys, which emit the identical frequency signal each time they are used, smart keys transmit encrypted signals that are specific to the car they belong to. This makes it more difficult for thieves with the latest technology to spoof or intercept the signal and use the key to steal your car.

For instance, Mercedes' system -known as Keyless Go -- has an internal transponder that can identify the driver's key. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also starts the engine by pressing a button on its key.

Some smart keys, such as those from BMW and Mercedes-Benz, also come with user-specific settings that permit the driver to adjust the mirrors, seat and steering wheel's position and even audio preferences with the push of a button. They also have the backup lock, which will stop the car from starting if the key is not in the ignition.

This technology prevents drivers from not locking their cars properly especially when looking in the bag or purse to find keys in a parking lot with strangers or a busy street where crime is high. Many systems will also inform motorists when the battery for their key is depleted, though this feature varies by manufacturer.

Convenience

If you're in a hurry get to a place, the smart key makes getting into your car as easy as it can be. By pressing the button on the trunk release or door handle you can open, lock and start your vehicle. Key fobs can also communicate with your smartphone to track charging, location and other information about the vehicle, explains Popular Mechanics.

It isn't safe to lock your keys inside the car. The key fob is connected to an antenna in the vehicle to determine whether it's within range. If it's not, the engine won't start. This is a deterrent to thieves who might steal your vehicle to sell the parts.

The smart key also uses rolling codes to protect against hacking attempts and cloning, says BMW. The vehicle's computer is able to recognize and verify the code prior to starting the motor. Many systems also have a mechanical backup that is an invisible key blade for styling purposes.

Modern smart keys also recognize the type of key being used and adjust the car settings in line with the use of the key, says how to unlock a smart car without a key Stuff Works Electronics. If you turn on your vehicle while holding the key in your palm, for example, the windows and the sunroof will be opened to let air circulate the interior. You can also set up a speed limit that will only be used when the car is powered by the selected key. This feature can be useful if you are lending your car to someone who is not experienced.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart key for car key, or just want to make sure it won't die during a trip to the grocery store, you can activate an auto manufacturer-specific feature called Power Saving Mode. To activate this feature, hold the lock button until you release it and press the unlock button.

This will stop your smart key fob's smart device from being able to send or receive any radio waves. This will greatly extend the life of its battery. You can reactivate this function by pressing the unlock and lock buttons once more.

Some smart keys have anti-theft functions that prevent them being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to block unauthorized vehicle access. The computer in the car will check the code every millisecond after the smart key is inserted. BMW utilizes a Display Key that has a tiny LCD screen with a color. This allows drivers to lock their cars, open them, and even start them without taking the smart key from their pocket.

If you're considering purchasing a new car with a smart car key recoding key, or if you require the battery in your smart key changed, contact us at Pop-A Lock for a quick and simple service. We can replace the battery in any smart key, and our mobile locksmiths are able to help you set it up so that your vehicle can recognize it.

Special Cases

While Smart Key Replacement Cost keys are not secure against theft, they can help to discourage thieves. Smart key fobs use rolling security codes to prevent the hacking of keys, and when they are placed in the ignition, the car's computer can verify the code within milliseconds. Mercedes-Benz invented this technology, which is currently used by luxury car manufacturers.

Another benefit is that many smart fortwo key fob key systems will continue to function even if the user has forgotten the key in the trunk or left it in an eatery or lost it during an excursion. Certain systems will notify the driver when the battery is depleted. Some brands offer keys with covers specifically designed for smart keys to guard the fob from damage.